<template>
  <div class="cmt-containar">
    <h3>发表评论</h3>
    <textarea placeholder="请输入要BB的内容(最多吐槽120字)" maxlength="120"  v-model="msg"></textarea>
    <mt-button type="primary" size="large"  @click="postComment">发表评论</mt-button>
    <div class="cmt-list">
      <div class="cmt-item" v-for="(item,  i) in comments" :key="item.add_tiem">
        <div
          class="cmt-title"
        >第{{i+1}}楼&nbsp;&nbsp;用户:{{item.user_name}}&nbsp;&nbsp;发表时间：{{item.add_time | dateFormat}}</div>
        <div class="cmt-body">{{item.content === 'undefined' ? '此用户很懒，嘛都没说' :item.content}}</div>
      </div>
    </div>
    <mt-button type="danger" size="large">加载更多</mt-button>
  </div>
</template>

<script>
import Vue from "vue";
import { Toast } from "mint-ui";
Vue.http.options.root = "http://vue.studyit.io";
Vue.http.options.emulateJSON = true;
export default {
  name: "coments",
  data() {
    return {
      pageIndex: 1,
      comments: [],
      msg: ""
    };
  },
  created() {
    this.getComments();
    this.postComment();
  },
  methods: {
    getComments() {
      this.$http
        .get(
          "http://www.liulongbin.top:3005/api/getcomments/" +
            this.id +
            "?pageindex=" +
            this.pageIndex
        )
        .then(result => {
          if (result.body.status === 0) {
            // this. comments = result.body.message;
            this.comments = this.comments.concat(result.body.message);
            Toast("获取评论成功");
          } else {
            Toast("获取评论失败");
          }
        });
    },

    getMore() {
      //加载更多
      this.pageIndex++;
    //   this.getComments;
    },
  postComment() {
      //获取新闻详情
      if (this.msg.trim().length === 0) {
        return Toast("评论内容不能为空！");
      }
      this.$http .post("postcomment/" +this.$route.params.id, {
          content: this.msg.trim()
        })
      
        .then(function(result) {
          if (result.body.status === 0) {
            var cmt = {
              user_name: "匿名用户",
              add_time: Date.now(),
              content: this.msg.trim()
            };
          }
          this.comments.unshift(cmt);
          this.msg = " ";
        });
    }
  },
  props: ["id"]
};
</script>
<style lang="scss" scoped>
.cmt-containar {
  h3 {
    font-size: 13px;
  }
  textarea {
    font-size: 14px;
    height: 85px;
    margin: 0px;
  }
  .cmt-list {
    margin: 5px 0px;
    .cmt-item {
      font-size: 12px;
      .cmt-title {
        line-height: 30px;
        background: #ccc;
      }
      .cmt-body {
        line-height: 35px;
        text-indent: 2em;
      }
    }
  }
}
</style>
